The genetic and environmental determinants of plant size, growth rate, reproduction, and survival were examined in five populations of Carex aqualtilis by reciprocal transplants to arctic, subarctic ...

This is a preview. Log in through your library . Abstract 1. Experimental feeding trials using captive goslings of lesser snow geese were carried out on the breeding grounds at La Pérouse Bay, ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...